New teacher Donna Breedlove can't figure out why her students are not paying attention. Fellow teacher John Deerborn surmises the reason: she is so sexy that she is distracting the boys and making the girls jealous.
A pratical joke may have killed a visiting Russian teacher; Mr. Brawley's driver's-education class takes a wild ride.
A tough student challenges John to a fight; D.J., now on the boys wrestling team, prepares for a match.
Camilla and young science teacher Dr. Mackey grapple with mutual attraction; John and Donna are both nomiated for most popular teacher; D.J. tries to upgrade the cafeteria fare.
The bus breaks down during a school ski trip, leaving class and teachers stranded at a deserted hotel; Mark falls victim to a practical joke.
Fourth-string quarterback Mark is set to start in a big game; Doona fets over John's former flame Catherine; Randy steals the rival school's pig mascot.
One of the teachers turns out to be a fugitive from justice.
Teachers and students temporarily switch places.